        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background-color: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2980b9;
            transition: color 0.3s;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        h1, h2, h3, h4 {
            font-family: 'Georgia', serif;
            color: #2c3e50;
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 4px solid #3498db;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #2980b9;
            border-left: 5px solid #e74c3c;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #16a085;
        }
        h4 {
            font-size: 1.4rem;
            color: #8e44ad;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        strong {
            color: #c0392b;
            font-weight: 700;
        }
        em {
            color: #27ae60;
        }
        .lead {
            font-size: 1.3rem;
            color: #34495e;
            font-weight: 500;
            background: #ecf0f1;
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
        }
        .highlight {
            background-color: #fffacd;
            padding: 2px 5px;
            border-radius: 3px;
        }
        .updated {
            font-size: 0.9rem;
            color: #7f8c8d;
            text-align: right;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #bdc3c7;
        }
        header {
            background: linear-gradient(135deg, #2c3e50, #1a2530);
            color: white;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.5rem;
            color: #3498db;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo:hover {
            color: #e74c3c;
            transform: scale(1.05);
            transition: all 0.3s;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav li {
            margin-left: 25px;
        }
        nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        nav a:hover, nav a.active {
            background-color: #3498db;
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 12px 20px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb a:hover {
            color: #3498db;
        }
        .breadcrumb span {
            color: #34495e;
            font-weight: 600;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .content {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
        }
        .article-img {
            width: 100%;
            border-radius: 10px;
            margin: 25px auto;
            border: 5px solid #3498db;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .content ul, .content ol {
            margin-left: 25px;
            margin-bottom: 1.5em;
        }
        .content li {
            margin-bottom: 0.8em;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-box {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 5px 12px rgba(0,0,0,0.08);
        }
        .sidebar-box h3 {
            font-size: 1.5rem;
            margin-top: 0;
            color: #2c3e50;
            border-bottom: 2px solid #3498db;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
        }
        .search-form input, .comment-form textarea, .comment-form input, .rating-form select {
            padding: 12px 15px;
            margin-bottom: 15px;
            border: 1px solid #bdc3c7;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-form input:focus, .comment-form textarea:focus, .comment-form input:focus, .rating-form select:focus {
            border-color: #3498db;
            outline: none;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background: linear-gradient(to right, #3498db, #2980b9);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn:hover {
            background: linear-gradient(to right, #e74c3c, #c0392b);
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        .stars i {
            font-size: 2rem;
            color: #ecf0f1;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars i:hover, .stars i.active {
            color: #f1c40f;
        }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #3498db;
            font-size: 1.5rem;
            margin-bottom: 20px;
            border-bottom: 2px solid #3498db;
            padding-bottom: 10px;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .friend-links a {
            color: #bdc3c7;
        }
        .friend-links a:hover {
            color: #3498db;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            h4 { font-size: 1.2rem; }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 15px;
                font-size: 2rem;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
            }
            nav.active ul {
                display: flex;
            }
            nav li {
                margin: 10px 0;
                margin-left: 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .content {
                padding: 20px;
            }
            .sidebar-box {
                padding: 20px;
            }
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 20px; }
        .mb-2 { margin-bottom: 20px; }
        .emoji { font-size: 1.2em; }
